Penggayaan APA
Cube. (1981).
Heat pump technology .
London:
Butterworths.
Chicago Style
Cube.
Heat pump technology.
London:
Butterworths,
1981.
Text.
MLA Style
Cube.
Heat pump technology.
London:
Butterworths,
1981.
Text.
Turabian Style
Cube.
Heat pump technology.
London:
Butterworths,
1981.
Print.